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A high-Q^2 measurement of the photon structure function F_2^gamma at LEP2

Abstract

The photon structure function F_2^gamma has been measured at of 706 GeV^2, using a sample of two-photon events with a scattered electron observed in the OPAL electromagnetic endcap calorimeter. The data were taken during the years 1997-1999, when LEP operated at e+e- centre-of-mass energies ranging from 183 to 202 GeV, and correspond to an integrated luminosity of 424 pb^-1. This analysis represents the highest measurement of F_2^gamma made to date.Comment: 6 pages, 3 figures, To appear in the proceedings of Photon 2000, Ambleside, Englan

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    Last time updated on 02/01/2020